This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A049356 #23 Nov 20 2024 08:38:10 %S A049356 694,698,714,722,738,742,894,898,954,970,978,990,1014,1022,1054,1070, %T A049356 1102,1110,1138,1142,1178,1190,1202,1210,1294,1298,1334,1346,1358, %U A049356 1366,1394,1398,1454,1470,1478,1490,1634,1646,1654,1670,1726,1730,1758,1766,1778 %N A049356 Digitally balanced numbers in base 5: equal numbers of 0's, 1's, ..., 4's. %C A049356 The first 96 (=4*4!) terms of this sequence and of A031946 are identical. a(97) = 1001223344_5 = 1976724. %H A049356 Alois P. Heinz, <a href="/A049356/b049356.txt">Table of n, a(n) for n = 1..10000</a> (first 96 terms from Vincenzo Librandi) %e A049356 a(1) = 10234_5 = 694. %e A049356 a(96) = 43210_5 = 2930. %t A049356 Select[Range[5000], Length[Union[DigitCount[#, 5]]]==1&] (* _Vincenzo Librandi_, Apr 18 2013 *) %Y A049356 Cf. A031443. %Y A049356 Subsequence of A031946. %Y A049356 Row n = 5 of A378000. %K A049356 nonn,base %O A049356 1,1 %A A049356 _Harvey P. Dale_ %E A049356 Edited by _Rick L. Shepherd_, Jun 22 2003